1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * Copyright 2014 Gateworks Corporation
4 */
5
6 #include <dt-bindings/gpio/gpio.h>
7 #include <dt-bindings/input/linux-event-codes.h>
8 #include <dt-bindings/interrupt-controller/irq.h>
9
10 / {
11 /* these are used by bootloader for disabling nodes */
12 aliases {
13 led0 = &led0;
14 led1 = &led1;
15 led2 = &led2;
16 nand = &gpmi;
17 usb0 = &usbh1;
18 usb1 = &usbotg;
19 };
20
21 chosen {
22 bootargs = "console=ttymxc1,115200";
23 };
24
25 gpio-keys {
26 compatible = "gpio-keys";
27
28 user-pb {
29 label = "user_pb";
30 gpios = <&gsc_gpio 0 GPIO_ACTIVE_LOW>;
31 linux,code = <BTN_0>;
32 };
33
34 user-pb1x {
35 label = "user_pb1x";
36 linux,code = <BTN_1>;
37 interrupt-parent = <&gsc>;
38 interrupts = <0>;
39 };
40
41 key-erased {
42 label = "key-erased";
43 linux,code = <BTN_2>;
44 interrupt-parent = <&gsc>;
45 interrupts = <1>;
46 };
47
48 eeprom-wp {
49 label = "eeprom_wp";
50 linux,code = <BTN_3>;
51 interrupt-parent = <&gsc>;
52 interrupts = <2>;
53 };
54
55 tamper {
56 label = "tamper";
57 linux,code = <BTN_4>;
58 interrupt-parent = <&gsc>;
59 interrupts = <5>;
60 };
61
62 switch-hold {
63 label = "switch_hold";
64 linux,code = <BTN_5>;
65 interrupt-parent = <&gsc>;
66 interrupts = <7>;
67 };
68 };
69
70 leds {
71 compatible = "gpio-leds";
72 pinctrl-names = "default";
73 pinctrl-0 = <&pinctrl_gpio_leds>;
74
75 led0: led-user1 {
76 label = "user1";
77 gpios = <&gpio4 6 GPIO_ACTIVE_HIGH>; /* MX6_PANLEDG */
78 default-state = "on";
79 linux,default-trigger = "heartbeat";
80 };
81
82 led1: led-user2 {
83 label = "user2";
84 gpios = <&gpio4 7 GPIO_ACTIVE_HIGH>; /* MX6_PANLEDR */
85 default-state = "off";
86 };
87
88 led2: led-user3 {
89 label = "user3";
90 gpios = <&gpio4 15 GPIO_ACTIVE_LOW>; /* MX6_LOCLED# */
91 default-state = "off";
92 };
93 };
94
95 memory@10000000 {
96 device_type = "memory";
97 reg = <0x10000000 0x20000000>;
98 };
99
100 reg_1p0v: regulator-1p0v {
101 compatible = "regulator-fixed";
102 regulator-name = "1P0V";
103 regulator-min-microvolt = <1000000>;
104 regulator-max-microvolt = <1000000>;
105 regulator-always-on;
106 };
107
108 reg_3p3v: regulator-3p3v {
109 compatible = "regulator-fixed";
110 regulator-name = "3P3V";
111 regulator-min-microvolt = <3300000>;
112 regulator-max-microvolt = <3300000>;
113 regulator-always-on;
114 };
115
116 reg_5p0v: regulator-5p0v {
117 compatible = "regulator-fixed";
118 regulator-name = "5P0V";
119 regulator-min-microvolt = <5000000>;
120 regulator-max-microvolt = <5000000>;
121 regulator-always-on;
122 };
123 };
124
125 &gpmi {
126 pinctrl-names = "default";
127 pinctrl-0 = <&pinctrl_gpmi_nand>;
128 status = "okay";
129 };
130
131 &hdmi {
132 ddc-i2c-bus = <&i2c3>;
133 status = "okay";
134 };
135
136 &i2c1 {
137 clock-frequency = <100000>;
138 pinctrl-names = "default";
139 pinctrl-0 = <&pinctrl_i2c1>;
140 status = "okay";
141
142 gsc: gsc@20 {
143 compatible = "gw,gsc";
144 reg = <0x20>;
145 interrupt-parent = <&gpio1>;
146 interrupts = <4 IRQ_TYPE_LEVEL_LOW>;
147 interrupt-controller;
148 #interrupt-cells = <1>;
149 #size-cells = <0>;
150
151 adc {
152 compatible = "gw,gsc-adc";
153 #address-cells = <1>;
154 #size-cells = <0>;
155
156 channel@0 {
157 gw,mode = <0>;
158 reg = <0x00>;
159 label = "temp";
160 };
161
162 channel@2 {
163 gw,mode = <1>;
164 reg = <0x02>;
165 label = "vdd_vin";
166 };
167
168 channel@5 {
169 gw,mode = <1>;
170 reg = <0x05>;
171 label = "vdd_3p3";
172 };
173
174 channel@8 {
175 gw,mode = <1>;
176 reg = <0x08>;
177 label = "vdd_bat";
178 };
179
180 channel@b {
181 gw,mode = <1>;
182 reg = <0x0b>;
183 label = "vdd_5p0";
184 };
185
186 channel@e {
187 gw,mode = <1>;
188 reg = <0xe>;
189 label = "vdd_arm";
190 };
191
192 channel@11 {
193 gw,mode = <1>;
194 reg = <0x11>;
195 label = "vdd_soc";
196 };
197
198 channel@14 {
199 gw,mode = <1>;
200 reg = <0x14>;
201 label = "vdd_3p0";
202 };
203
204 channel@17 {
205 gw,mode = <1>;
206 reg = <0x17>;
207 label = "vdd_1p5";
208 };
209
210 channel@1d {
211 gw,mode = <1>;
212 reg = <0x1d>;
213 label = "vdd_1p8";
214 };
215
216 channel@20 {
217 gw,mode = <1>;
218 reg = <0x20>;
219 label = "vdd_1p0";
220 };
221
222 channel@23 {
223 gw,mode = <1>;
224 reg = <0x23>;
225 label = "vdd_2p5";
226 };
227 };
228 };
229
230 gsc_gpio: gpio@23 {
231 compatible = "nxp,pca9555";
232 reg = <0x23>;
233 gpio-controller;
234 #gpio-cells = <2>;
235 interrupt-parent = <&gsc>;
236 interrupts = <4>;
237 };
238
239 eeprom1: eeprom@50 {
240 compatible = "atmel,24c02";
241 reg = <0x50>;
242 pagesize = <16>;
243 };
244
245 eeprom2: eeprom@51 {
246 compatible = "atmel,24c02";
247 reg = <0x51>;
248 pagesize = <16>;
249 };
250
251 eeprom3: eeprom@52 {
252 compatible = "atmel,24c02";
253 reg = <0x52>;
254 pagesize = <16>;
255 };
256
257 eeprom4: eeprom@53 {
258 compatible = "atmel,24c02";
259 reg = <0x53>;
260 pagesize = <16>;
261 };
262
263 rtc: ds1672@68 {
264 compatible = "dallas,ds1672";
265 reg = <0x68>;
266 };
267 };
268
269 &i2c2 {
270 clock-frequency = <100000>;
271 pinctrl-names = "default";
272 pinctrl-0 = <&pinctrl_i2c2>;
273 status = "okay";
274
275 ltc3676: pmic@3c {
276 compatible = "lltc,ltc3676";
277 reg = <0x3c>;
278 pinctrl-names = "default";
279 pinctrl-0 = <&pinctrl_pmic>;
280 interrupt-parent = <&gpio1>;
281 interrupts = <8 IRQ_TYPE_EDGE_FALLING>;
282
283 regulators {
284 /* VDD_SOC (1+R1/R2 = 1.635) */
285 reg_vdd_soc: sw1 {
286 regulator-name = "vddsoc";
287 regulator-min-microvolt = <674400>;
288 regulator-max-microvolt = <1308000>;
289 lltc,fb-voltage-divider = <127000 200000>;
290 regulator-ramp-delay = <7000>;
291 regulator-boot-on;
292 regulator-always-on;
293 };
294
295 /* VDD_1P8 (1+R1/R2 = 2.505): ENET-PHY */
296 reg_1p8v: sw2 {
297 regulator-name = "vdd1p8";
298 regulator-min-microvolt = <1033310>;
299 regulator-max-microvolt = <2004000>;
300 lltc,fb-voltage-divider = <301000 200000>;
301 regulator-ramp-delay = <7000>;
302 regulator-boot-on;
303 regulator-always-on;
304 };
305
306 /* VDD_ARM (1+R1/R2 = 1.635) */
307 reg_vdd_arm: sw3 {
308 regulator-name = "vddarm";
309 regulator-min-microvolt = <674400>;
310 regulator-max-microvolt = <1308000>;
311 lltc,fb-voltage-divider = <127000 200000>;
312 regulator-ramp-delay = <7000>;
313 regulator-boot-on;
314 regulator-always-on;
315 };
316
317 /* VDD_DDR (1+R1/R2 = 2.105) */
318 reg_vdd_ddr: sw4 {
319 regulator-name = "vddddr";
320 regulator-min-microvolt = <868310>;
321 regulator-max-microvolt = <1684000>;
322 lltc,fb-voltage-divider = <221000 200000>;
323 regulator-ramp-delay = <7000>;
324 regulator-boot-on;
325 regulator-always-on;
326 };
327
328 /* VDD_2P5 (1+R1/R2 = 3.435): PCIe/ENET-PHY */
329 reg_2p5v: ldo2 {
330 regulator-name = "vdd2p5";
331 regulator-min-microvolt = <2490375>;
332 regulator-max-microvolt = <2490375>;
333 lltc,fb-voltage-divider = <487000 200000>;
334 regulator-boot-on;
335 regulator-always-on;
336 };
337
338 /* VDD_HIGH (1+R1/R2 = 4.17) */
339 reg_3p0v: ldo4 {
340 regulator-name = "vdd3p0";
341 regulator-min-microvolt = <3023250>;
342 regulator-max-microvolt = <3023250>;
343 lltc,fb-voltage-divider = <634000 200000>;
344 regulator-boot-on;
345 regulator-always-on;
346 };
347 };
348 };
349 };
350
351 &i2c3 {
352 clock-frequency = <100000>;
353 pinctrl-names = "default";
354 pinctrl-0 = <&pinctrl_i2c3>;
355 status = "okay";
356 };
357
358 &pcie {
359 pinctrl-names = "default";
360 pinctrl-0 = <&pinctrl_pcie>;
361 reset-gpio = <&gpio1 29 GPIO_ACTIVE_LOW>;
362 status = "okay";
363 };
364
365 &pwm2 {
366 pinctrl-names = "default";
367 pinctrl-0 = <&pinctrl_pwm2>; /* MX6_DIO1 */
368 status = "disabled";
369 };
370
371 &pwm3 {
372 pinctrl-names = "default";
373 pinctrl-0 = <&pinctrl_pwm3>; /* MX6_DIO2 */
374 status = "disabled";
375 };
376
377 &uart2 {
378 pinctrl-names = "default";
379 pinctrl-0 = <&pinctrl_uart2>;
380 status = "okay";
381 };
382
383 &uart3 {
384 pinctrl-names = "default";
385 pinctrl-0 = <&pinctrl_uart3>;
386 status = "okay";
387 };
388
389 &uart5 {
390 pinctrl-names = "default";
391 pinctrl-0 = <&pinctrl_uart5>;
392 status = "okay"; };
393
394 &usbh1 {
395 status = "okay";
396 };
397
398 &usbotg {
399 vbus-supply = <®_5p0v>;
400 pinctrl-names = "default";
401 pinctrl-0 = <&pinctrl_usbotg>;
402 disable-over-current;
403 status = "okay";
404 };
405
406 &wdog1 {
407 pinctrl-names = "default";
408 pinctrl-0 = <&pinctrl_wdog>;
409 fsl,ext-reset-output;
410 };
411
412 &iomuxc {
413 pinctrl_gpio_leds: gpioledsgrp {
414 fsl,pins = <
415 MX6QDL_PAD_KEY_COL0__GPIO4_IO06 0x1b0b0
416 MX6QDL_PAD_KEY_ROW0__GPIO4_IO07 0x1b0b0
417 MX6QDL_PAD_KEY_ROW4__GPIO4_IO15 0x1b0b0
418 >;
419 };
420
421 pinctrl_gpmi_nand: gpminandgrp {
422 fsl,pins = <
423 MX6QDL_PAD_NANDF_CLE__NAND_CLE 0xb0b1
424 MX6QDL_PAD_NANDF_ALE__NAND_ALE 0xb0b1
425 MX6QDL_PAD_NANDF_WP_B__NAND_WP_B 0xb0b1
426 MX6QDL_PAD_NANDF_RB0__NAND_READY_B 0xb000
427 MX6QDL_PAD_NANDF_CS0__NAND_CE0_B 0xb0b1
428 MX6QDL_PAD_SD4_CMD__NAND_RE_B 0xb0b1
429 MX6QDL_PAD_SD4_CLK__NAND_WE_B 0xb0b1
430 MX6QDL_PAD_NANDF_D0__NAND_DATA00 0xb0b1
431 MX6QDL_PAD_NANDF_D1__NAND_DATA01 0xb0b1
432 MX6QDL_PAD_NANDF_D2__NAND_DATA02 0xb0b1
433 MX6QDL_PAD_NANDF_D3__NAND_DATA03 0xb0b1
434 MX6QDL_PAD_NANDF_D4__NAND_DATA04 0xb0b1
435 MX6QDL_PAD_NANDF_D5__NAND_DATA05 0xb0b1
436 MX6QDL_PAD_NANDF_D6__NAND_DATA06 0xb0b1
437 MX6QDL_PAD_NANDF_D7__NAND_DATA07 0xb0b1
438 >;
439 };
440
441 pinctrl_i2c1: i2c1grp {
442 fsl,pins = <
443 MX6QDL_PAD_EIM_D21__I2C1_SCL 0x4001b8b1
444 MX6QDL_PAD_EIM_D28__I2C1_SDA 0x4001b8b1
445 MX6QDL_PAD_GPIO_4__GPIO1_IO04 0xb0b1
446 >;
447 };
448
449 pinctrl_i2c2: i2c2grp {
450 fsl,pins = <
451 MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1
452 MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1
453 >;
454 };
455
456 pinctrl_i2c3: i2c3grp {
457 fsl,pins = <
458 MX6QDL_PAD_GPIO_3__I2C3_SCL 0x4001b8b1
459 MX6QDL_PAD_GPIO_6__I2C3_SDA 0x4001b8b1
460 >;
461 };
462
463 pinctrl_pcie: pciegrp {
464 fsl,pins = <
465 MX6QDL_PAD_ENET_TXD1__GPIO1_IO29 0x1b0b0
466 >;
467 };
468
469 pinctrl_pmic: pmicgrp {
470 fsl,pins = <
471 MX6QDL_PAD_GPIO_8__GPIO1_IO08 0x0001b0b0 /* PMIC_IRQ# */
472 >;
473 };
474
475 pinctrl_pwm2: pwm2grp {
476 fsl,pins = <
477 MX6QDL_PAD_SD1_DAT2__PWM2_OUT 0x1b0b1
478 >;
479 };
480
481 pinctrl_pwm3: pwm3grp {
482 fsl,pins = <
483 MX6QDL_PAD_SD1_DAT1__PWM3_OUT 0x1b0b1
484 >;
485 };
486
487 pinctrl_uart2: uart2grp {
488 fsl,pins = <
489 MX6QDL_PAD_SD4_DAT7__UART2_TX_DATA 0x1b0b1
490 MX6QDL_PAD_SD4_DAT4__UART2_RX_DATA 0x1b0b1
491 >;
492 };
493
494 pinctrl_uart3: uart3grp {
495 fsl,pins = <
496 MX6QDL_PAD_EIM_D24__UART3_TX_DATA 0x1b0b1
497 MX6QDL_PAD_EIM_D25__UART3_RX_DATA 0x1b0b1
498 >;
499 };
500
501 pinctrl_uart5: uart5grp {
502 fsl,pins = <
503 MX6QDL_PAD_KEY_COL1__UART5_TX_DATA 0x1b0b1
504 MX6QDL_PAD_KEY_ROW1__UART5_RX_DATA 0x1b0b1
505 >;
506 };
507
508 pinctrl_usbotg: usbotggrp {
509 fsl,pins = <
510 MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID 0x13059
511 >;
512 };
513
514 pinctrl_wdog: wdoggrp {
515 fsl,pins = <
516 MX6QDL_PAD_DISP0_DAT8__WDOG1_B 0x1b0b0
517 >;
518 };
519 };
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